In 2025 the first of those, Showa Day, came on April 29. Greenery Day – a day dedicated to the environment – is May 4, when Inoue and Cardenas will fight, and Children’s Day is May 5.

Naoya Inoue enters his first stateside fight since 2021 as a massive, -5000 favorite to win, while Ramon Cardenas is a +1500 underdog. The over/under is set at 5.5 rounds.

Inoue opened the fight with confidence by landing several shots. Ramon Cardenas hits Naoya Inoue in a junior featherweight title boxing match Sunday, May 4, 2025, in Las Vegas. Credit: AP/John Locher ...

Inoue will take on top contender Ramon Cardenas (26-1, 14 KOs) in a scheduled 12-round fight. The fight will be the first of what will be an intriguing row of contenders lined up all the way into ...

Ramon Cardenas, left, and Naoya Inoue after a junior featherweight title boxing match Sunday, May 4, 2025, in Las Vegas. (AP Photo/John Locher) ...

Japan's Naoya Inoue will be stepping into an American boxing ring for the first time since 2021 when he defends his undisputed junior featherweight world title against American Ramon Cardenas on ...

Naoya Inoue (right) and Ramon Cardenas saved the boxing weekend with their brilliance at T-Mobile Arena in Las Vegas. (Steve Marcus/Getty Images) ...

The anticipation surrounding Naoya Inoue-Ramon Cardenas meant that the public, ceremonial weigh-in staged in Las Vegas on Friday afternoon was oversubscribed.

At the T-Mobile Arena in Las Vegas, Nevada on May 4, Naoya Inoue (29-0, 26 KOs) will defend his undisputed super bantamweight crown against American challenger Ramon Cardenas.

Naoya Inoue hits Ramon Cardenas in a junior featherweight title boxing match Sunday, May 4, 2025, in Las Vegas. (AP Photo/John Locher) Naoya Inoue hits Ramon Cardenas in a junior featherweight ...

LAS VEGAS – Naoya Inoue’s performance in victory over Ramon Cardenas has, perhaps harshly, divided opinion. BoxingScene witnessed one of the world’s three finest active fighters (he is ...

LAS VEGAS (AP) — Naoya Inoue remained undefeated after retaining the undisputed junior featherweight title with an eighth-round technical knockout of Ramon Cardenas on Sunday night in front of a ...